troessner / reek

Code smell detector for Ruby

tilo / smarter_csv

Fastest end-to-end CSV ingestion for Ruby (with C acceleration). SmarterCSV auto-detects formats, applies smart defaults, and returns Rails-ready hashes for seamless use with ActiveRecord, Sidekiq, parallel jobs, and S3 pipelines — even for messy user-uploaded real-world data.

palkan / isolator

Detect non-atomic interactions within DB transactions

licensee / licensee

Ruby gem & CLI to detect a project's open source license (SPDX) from LICENSE files, package manifests, and READMEs

peterc / whatlanguage

Pure Ruby natural language detection library for 160+ languages.